CVE-2019-5039 Memory corruption in Nest Labs
A heap-based buffer overflow in OpenWeave allows remote code execution via a crafted certificate, impacting Nest Labs IoT devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-5039?
CVE-2019-5039 is a high-severity memory corruption vulnerability in Nest Labs, published on 20 Aug 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
An exploitable command execution vulnerability exists in the ASN1 certificate writing functionality of Openweave-core version 4.0.2. A specially crafted weave certificate can trigger a heap-based buffer overflow, resulting in code execution. An attacker can craft a weave certificate to trigger this vulnerability.
Which versions are affected by CVE-2019-5039?
It affects 1 product.
Products include Openweave Openweave-Core.
How do I fix CVE-2019-5039?
No fix has been published for CVE-2019-5039 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-5039 being exploited?
There is no known exploitation of CVE-2019-5039 in the wild and no public exploit code.
Other vulnerabilities in Nest Labs
Sources
Also known as GHSA-mqw2-4hpp-cmw6.